How To Install Flat Metal Roof

For first time homeowners it s typical to hire a professional contractor who can complete the flat roof installation for you and offer a full warranty for their work.

How to install flat metal roof.

They give added support to the roof and also provide a nailing surface for the end panels and drip edge. What s involved in how to install metal roofing. How to install metal roofing. Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof.

Measure the height of your roof adding 2 to 4 inches to your measurement to allow overhang. Moreover try to ensure that the screws are all aligned evenly. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Metal roof purlins are installed horizontally under metal roofs.

Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. Step 4 laying the sheets. They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top. Step 5 install the metal trim.

Purlins are 2 by 4 feet and are installed much like metal roofing. And for any exposed fasteners try to avoid over tightening them. These will stop the entry of rain wind and pests. Step 3 install the metal edging.

Space the screws about 12 in 30 cm apart. Of course you don t need to live in a modern house to deal with a flat roof. You will use metal roofing screws to secure the metal panels to the sheathing. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

For exposed fasteners avoid over tightening the fastener. Install the roofing screws vertically along each rib in the panel. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. Step 1 measure the roof height.

Place them directly onto purlins that are attached to the roof trusses beginning on the outside edge. Place the first screw. Close or seal off the ends with a wood or plastic strip under the panel at each end. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape.

Step 2 create a base. Try to space the screws about 12 inches apart down the entire piece of metal. Creating a flat roof can be completed as either a diy weekend project or by a professional contractor.